Lubricator



Dec. 20, 1927.

.J. HENNESSY LUBRICATOR Filed July 27, 1922 2 Sheetg-Sheet 2 Fig.1

Fly 4 24 Inventor JJJ-Zzznessy y cf? t Patented Dec. 20, 1927.

UNITED STATES- JAMES J. HENNESSY,

or New (YORK, N. Y.

LUBRICATOB.

Application filed July 27,

My invention relates tojournal lubricators of the type illustrated in Patent No. 1,378, 452, issued to me May 17, 1921, and consists in an improved lubricator especially'adapted for use in locomotive lead and trailer trucks.

In the pumping devices of such lubricators it is customary to provide a pumping cylinder having inlet and discharge openings at intervals which necessitates a substantial travel of the pumplpisto'n in order to pump any of the lubricant. Repeated reciprocal movement of the piston would not pump any lubricant unless the movementwas enough to pass and repass these openings.

One object of my present invention is to provide in a lubricator a pumping arrangement in which any reciprocal movement of the plunger will produce a discharge ofthe lubricant, thereby rendering the pump much more sensitive than those previously used.

Another object of my invention is to eliminate the necessity of adjusting the pump opcrating members whilethe lubricator is in stalled in the driving box or journal box. f

In the above-mentioned patent,the pump is actuated by relative movement of the'journal box and the wheel hub. It is not always feasible to obtain the pump movement in this manner and in the present invention the pump operating movement is provided by movement of a lubricator container in the truck box.

In the accompanying drawings which illlustrate my invention;-

Figure 1 is EL'lOl'lgltllCllIlfi-l860131011 through my improved lubricator and showing a por tion of the journal to which it is applied and a member secured to the truck box.

Figure 2 is an end view of adriving box injwhich my lubricator is positioned and shows the journal in cross section.

Figure 8 is a detail taken on line 3-45 of. Figure]. p i 2 Figure l is a longitudinal section corresponding to Figure 1 but showing a modified construction in which my improv'ed pumping mechanism is applied to a wheel-operated lubricator.

Figure 5 is a top view of the lubricator shown in Figures a The lubricator comprises a lubricant reservoir 1 in which a waste or other packing container 2 is mounted to slide vertically and is yieldingly supported on a spring 3 compressed between the bottom of container 2 1922. Serial No. 578,018; g

and an upwardly facing surface on an 'upi l standing member lpreferably formed integrally with the lubricator 1. Extending horizontally of 'inember 4 and below the normalsurface of the lubricant container in the reservoir is a cylindrical passage 5, one endj'of which is open and the other vend of which terminates in an upwardly extending passage 6 provided with a ball check valve 7 and leading into thewaste container2.

Slidably fitting in passage 5 is a tubular plunger 8, one end of which projects beyond the passage and is slotted longitudinally to receive an upwardly extending bracket 9 v clamped upon an operating rod 10 whichextends at opposite ends'through the side wall of the reservoir and into a recess 11 in member 4:. Cotter pins 12 through the plunger 8 on opposite sidesof bracket 9 serve toretain the latter in position thereon and a bolt 13 serves to clampthe bracket onto rod 10. j The spring 14: compressed between bracket 9 and the opposing face of member stendsto thrust the; bracket, rod 10, and plunger 8 to the right. A bar 15 extending across the face of the driving box A engages theouter end of rod 10 for the purpose. hereinafter mentioned. 1 s

The inner end ofthe plunger is provided with an annular shoulder 16 and a circular disk 17 is slidable in the enlarged portion of the plunger but adapted to contact with the shoulder to form a flop valve. The wall of the plunger is bent over at several places as. indicated at 18' to retain disk 17. Disk 17 is preferably provided with an axial stem 30 which tends to maintain disk 17 in the position shown and renders it more sensitive to opposing movements'of the lubricant.

, lVith this plunger construction any outward movement of the'plunger will permit passage of the corresponding'amount of lubricantpastdisk 17 and any return movement of, the plunger will trap this lubricant and force it pastball check 7. v

alocomotive driving box bymeans of pins 19 which extend through the driving box wall and through a slot2O formed in theside wall of the lubricator or cellar. .The bottom of the lubricator is recessed at 21 to accommodate pin19. The pin and slot retaining arrangement for the lubricato-r permits movement of the lubricator longitudinally of the driving box and such movement will be The lubricator is shown as assembled with i induced by the inertia of the box when the wheels mounted upon journal B strike a frog, switch, or a curve in the track. If the thrust is in one direction, the movement will be positively created by engagement of rod 10 and bar 15. If the thrust is in the opposite direction, the movement will be provided by expansion of spring 14.

My lubricator may be applied to the driving box of the locomotive in place of the usual cellar and does not require aspecial design of box and only slightwork to adapt same to operate the lubricating mechanism.

It may, therefore, be applied as a substitute.

for other cellars and ate minimum cost.

In the. modification shown in Figures 4 and 5, the pump plunger is operated by contact of rod'22avith the hub 23 of a wheel. The plunge-r flop valve consists of a ballQ i instead ofthe disk shown in the preferred construction and the lubricant reservoir or cellar is shown with an extended portion 25 adapted to project beyond the truck box and provided with lugs 26 whereby it may be filled. In this modification the delivery elements aremodified by the introduction of a member 27, the mouth of which contacts with journal C. Member 27 is yieldingly supported by coil spring 28 seated on a shoulder formed in the upwardly extending passage 29 leading from the pump cylinder.

Various other modifications of the details of construction of the lubricator may be made without departing from the spirit of my invention as expressed in the appended claims.

I claim: 1 r

1. Ina journal lubricator, a lubricant reservoir, an upstanding member therein provided with lI1.l.--.jl1t136l passage having an intake end in the reservoir at the outer end of its horizontal leg, and a delivery end at.

the upper end of itsvertical leg, a hollow reciprocatingplunger 1n the horizontalleg ofsaid passage, and a flop valve in said plunger. 2. In a ournal lubricator, a lubricant reservoir, an upstanding member therein pro- .vided with an L-shaped passage having an intake end n said reservoir atthe outer end of, its horizontal legganda delivery end at the upper end of its vertical le n o s reciprocating. plunger extending substantially throughout thehorizontal leg of saidpassage, a valve in said plunger, near the inner end thereof, and a check valve in the a hollow rcaenve vertical leg of said passage near the bottom thereof.

3. In a journal lubricator, a lubricant reservoir, an upstanding member on the bottom thereof provided with a horizontal passage opening at one end into said reservoir and with andischarge passage leading from the. other end of said horizontal passage, a hol low plunger reciprocating horizontally in said horizontal. passage, and a flop valve in said plunger.

l. In combination, a truck axle box, a nu bricantreservoir slidable longitudinally therein, a lubricant pump in said reservoir, and pump operating. means adapted to be actuated by. horizontal movementof said reservoir in said box.

5. In combination, a locomotive driving box, an oil cellar mounted to slide longitudt, nally of said box, a pump, 111Sflld cellar, a pump operatlng element pro ecting through the side of said cellar and contactin with taining arrangement.

7. In combination, a locomotive driving,

box, an :oil reservoir mounted to slide longitudinally ,ofsaid box, an oil pump in said cellar, a pump actuating rod extending through the wall of said cellar longitudis na'lly of said box, an element on said box located to engage the projecting end of said rod, and a spring, conipressed'between the opposingsurfaces on said cellar and said rod, tending to thrust said rod, against said element. i

8. In combination,-a truck axle box, a lubricant reservoir slidable horizontallytherein, a lubricant pump, and intererigagingw ele (iii ments onsaid box and'reservoirfor operating said pump upon relative horizontal movement of said box. and reservoir.

In testimony whereof I hereunto afiix my signature this 18 day of July, 1922.

JAMES J; HENNESSY. 

